Shandon Elementary (Data source)
Source data for Shandon Elementary
2015
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 2497158 | 2372 | - | 2436 | = | -64 | * | (20 | / | 123) | = | -10.40650406 | ||
| 4 | 2497161 | 2464 | - | 2485 | = | -21 | * | (20 | / | 123) | = | -3.41463415 | ||
| 5 | 2497162 | 2465 | - | 2528 | = | -63 | * | (28 | / | 123) | = | -14.34146339 | ||
| 6 | 2497165 | 2435 | - | 2552 | = | -117 | * | (14 | / | 123) | = | -13.31707315 | ||
| 7 | 2497166 | 2501 | - | 2567 | = | -66 | * | (21 | / | 123) | = | -11.26829266 | ||
| 8 | 2497169 | 2475 | - | 2586 | = | -111 | * | (20 | / | 123) | = | -18.04878049 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Shandon Elementary | -71 | ||||||||||||
2016
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 76158 | 2429 | - | 2436 | = | -7 | * | (23 | / | 123) | = | -1.30894308 | ||
| 4 | 76159 | 2482 | - | 2485 | = | -3 | * | (18 | / | 123) | = | -0.43902439 | ||
| 5 | 76161 | 2493 | - | 2528 | = | -35 | * | (21 | / | 123) | = | -5.97560975 | ||
| 6 | 76163 | 2498 | - | 2552 | = | -54 | * | (23 | / | 123) | = | -10.09756093 | ||
| 7 | 76166 | 2485 | - | 2567 | = | -82 | * | (15 | / | 123) | = | -9.99999996 | ||
| 8 | 76167 | 2528 | - | 2586 | = | -58 | * | (23 | / | 123) | = | -10.8455284 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Shandon Elementary | -39 | ||||||||||||
2017
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 78195 | 2374 | - | 2436 | = | -62 | * | (30 | / | 131) | = | -14.19847325 | ||
| 4 | 78197 | 2460 | - | 2485 | = | -25 | * | (19 | / | 131) | = | -3.62595418 | ||
| 5 | 78198 | 2520 | - | 2528 | = | -8 | * | (19 | / | 131) | = | -1.16030534 | ||
| 6 | 78200 | 2405 | - | 2552 | = | -147 | * | (22 | / | 131) | = | -24.68702286 | ||
| 7 | 78202 | 2454 | - | 2567 | = | -113 | * | (20 | / | 131) | = | -17.25190832 | ||
| 8 | 78204 | 2474 | - | 2586 | = | -112 | * | (21 | / | 131) | = | -17.95419842 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Shandon Elementary | -79 | ||||||||||||
2018
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 78346 | 2379 | - | 2436 | = | -57 | * | (29 | / | 129) | = | -12.81395346 | ||
| 4 | 78348 | 2414 | - | 2485 | = | -71 | * | (25 | / | 129) | = | -13.75968988 | ||
| 5 | 78349 | 2504 | - | 2528 | = | -24 | * | (18 | / | 129) | = | -3.34883719 | ||
| 6 | 78351 | 2515 | - | 2552 | = | -37 | * | (16 | / | 129) | = | -4.58914726 | ||
| 7 | 78354 | 2479 | - | 2567 | = | -88 | * | (22 | / | 129) | = | -15.00775188 | ||
| 8 | 78355 | 2537 | - | 2586 | = | -49 | * | (19 | / | 129) | = | -7.21705423 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Shandon Elementary | -57 | ||||||||||||
2019
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 78880 | 2389 | - | 2436 | = | -47 | * | (18 | / | 126) | = | -6.71428567 | ||
| 4 | 78881 | 2409 | - | 2485 | = | -76 | * | (29 | / | 126) | = | -17.49206348 | ||
| 5 | 78882 | 2417 | - | 2528 | = | -111 | * | (24 | / | 126) | = | -21.14285709 | ||
| 6 | 78883 | 2517 | - | 2552 | = | -35 | * | (15 | / | 126) | = | -4.16666667 | ||
| 7 | 78884 | 2517 | - | 2567 | = | -50 | * | (18 | / | 126) | = | -7.1428571 | ||
| 8 | 78885 | 2482 | - | 2586 | = | -104 | * | (22 | / | 126) | = | -18.1587301 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Shandon Elementary | -75 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -71 | -39 | -79 | -57 | -75 | -321.0 | -64.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -16.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -112.2
For the lines, you have the data necessary to plot the chart.
Very last step
The percent of students getting a Free or Reduced Price Meal comes from the following sources:
| 2015 | 2016 | 2017 | 2018 | 2019 | |
|---|---|---|---|---|---|
| Percent | 62% | 77% | 78% | 79% | 79% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Shandon Joint Unified school district | County of San Luis Obispo
THIS chart shows what the school system "wants"
PLUS a "special" or "outside" cause of variation: wealth/poverty.
NOT what teachers want.
NOT what principals want.
NOT what parents want.
Shandon Elementary math proficiency
Zero+ meets standard.
44% less $meal
67% less $meal
65% less $meal
70% less $meal
69% less $meal
• Any result above zero is proficient; below is not proficient. • There is a 99% chance that results will remain the same in coming years, which is to say, between the Upper and Lower Control Limits (the gray lines). • The houses with the % of students receiving a Free or Reduced Price Meal is a measure of wealth/poverty.
Elementary School (Public) schools in Shandon Joint Unified (2)
| Parkfield Elementary | Shandon Elementary |