Harrison Elementary (Data source)
Source data for Harrison 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 | 2455286 | 2368 | - | 2436 | = | -68 | * | (67 | / | 352) | = | -12.94318181 | ||
| 4 | 2455287 | 2423 | - | 2485 | = | -62 | * | (76 | / | 352) | = | -13.38636358 | ||
| 5 | 2455290 | 2444 | - | 2528 | = | -84 | * | (57 | / | 352) | = | -13.60227271 | ||
| 6 | 2455291 | 2470 | - | 2552 | = | -82 | * | (35 | / | 352) | = | -8.15340908 | ||
| 7 | 2455294 | 2498 | - | 2567 | = | -69 | * | (58 | / | 352) | = | -11.36931816 | ||
| 8 | 2455295 | 2482 | - | 2586 | = | -104 | * | (59 | / | 352) | = | -17.43181814 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Harrison Elementary | -77 | ||||||||||||
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 | 74897 | 2400 | - | 2436 | = | -36 | * | (62 | / | 352) | = | -6.34090907 | ||
| 4 | 74900 | 2420 | - | 2485 | = | -65 | * | (64 | / | 352) | = | -11.81818177 | ||
| 5 | 74902 | 2457 | - | 2528 | = | -71 | * | (80 | / | 352) | = | -16.13636362 | ||
| 6 | 74904 | 2455 | - | 2552 | = | -97 | * | (61 | / | 352) | = | -16.80965904 | ||
| 7 | 74905 | 2523 | - | 2567 | = | -44 | * | (31 | / | 352) | = | -3.87499996 | ||
| 8 | 74908 | 2536 | - | 2586 | = | -50 | * | (54 | / | 352) | = | -7.6704545 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Harrison Elementary | -63 | ||||||||||||
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 | 76907 | 2376 | - | 2436 | = | -60 | * | (56 | / | 352) | = | -9.54545454 | ||
| 4 | 76909 | 2430 | - | 2485 | = | -55 | * | (59 | / | 352) | = | -9.21874998 | ||
| 5 | 76910 | 2422 | - | 2528 | = | -106 | * | (63 | / | 352) | = | -18.97159083 | ||
| 6 | 76912 | 2454 | - | 2552 | = | -98 | * | (79 | / | 352) | = | -21.99431816 | ||
| 7 | 76914 | 2472 | - | 2567 | = | -95 | * | (62 | / | 352) | = | -16.73295449 | ||
| 8 | 76917 | 2527 | - | 2586 | = | -59 | * | (33 | / | 352) | = | -5.53125 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Harrison Elementary | -82 | ||||||||||||
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 | 77096 | 2371 | - | 2436 | = | -65 | * | (54 | / | 384) | = | -9.140625 | ||
| 4 | 77098 | 2417 | - | 2485 | = | -68 | * | (65 | / | 384) | = | -11.51041664 | ||
| 5 | 77100 | 2450 | - | 2528 | = | -78 | * | (63 | / | 384) | = | -12.796875 | ||
| 6 | 77102 | 2439 | - | 2552 | = | -113 | * | (56 | / | 384) | = | -16.47916663 | ||
| 7 | 77104 | 2501 | - | 2567 | = | -66 | * | (82 | / | 384) | = | -14.09374996 | ||
| 8 | 77106 | 2480 | - | 2586 | = | -106 | * | (64 | / | 384) | = | -17.6666666 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Harrison Elementary | -82 | ||||||||||||
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 | 77618 | 2374 | - | 2436 | = | -62 | * | (55 | / | 389) | = | -8.76606679 | ||
| 4 | 77619 | 2427 | - | 2485 | = | -58 | * | (63 | / | 389) | = | -9.39331617 | ||
| 5 | 77620 | 2448 | - | 2528 | = | -80 | * | (65 | / | 389) | = | -13.3676092 | ||
| 6 | 77621 | 2440 | - | 2552 | = | -112 | * | (66 | / | 389) | = | -19.00257061 | ||
| 7 | 77622 | 2487 | - | 2567 | = | -80 | * | (57 | / | 389) | = | -11.72236496 | ||
| 8 | 77623 | 2521 | - | 2586 | = | -65 | * | (83 | / | 389) | = | -13.86889459 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Harrison Elementary | -76 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -77 | -63 | -82 | -82 | -76 | -380.0 | -76.0 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -55.0
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -97.0
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 | 84% | 88% | 77% | 80% | 76% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Stockton Unified school district | County of San Joaquin
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.
Harrison Elementary math proficiency
Zero+ meets standard.
78% less $meal
78% less $meal
68% less $meal
73% less $meal
70% 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.