San Joaquin Elementary (Data source)
Source data for San Joaquin 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 | 2465981 | 2416 | - | 2436 | = | -20 | * | (96 | / | 600) | = | -3.2 | ||
| 4 | 2465982 | 2417 | - | 2485 | = | -68 | * | (103 | / | 600) | = | -11.67333329 | ||
| 5 | 2465985 | 2443 | - | 2528 | = | -85 | * | (101 | / | 600) | = | -14.30833331 | ||
| 6 | 2465986 | 2474 | - | 2552 | = | -78 | * | (100 | / | 600) | = | -12.99999995 | ||
| 7 | 2465989 | 2496 | - | 2567 | = | -71 | * | (99 | / | 600) | = | -11.715 | ||
| 8 | 2465990 | 2528 | - | 2586 | = | -58 | * | (101 | / | 600) | = | -9.76333331 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for San Joaquin Elementary | -64 | ||||||||||||
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 | 75206 | 2414 | - | 2436 | = | -22 | * | (93 | / | 576) | = | -3.55208333 | ||
| 4 | 75208 | 2449 | - | 2485 | = | -36 | * | (97 | / | 576) | = | -6.06249997 | ||
| 5 | 75210 | 2445 | - | 2528 | = | -83 | * | (98 | / | 576) | = | -14.1215277 | ||
| 6 | 75211 | 2470 | - | 2552 | = | -82 | * | (100 | / | 576) | = | -14.2361111 | ||
| 7 | 75213 | 2508 | - | 2567 | = | -59 | * | (91 | / | 576) | = | -9.32118055 | ||
| 8 | 75215 | 2529 | - | 2586 | = | -57 | * | (97 | / | 576) | = | -9.59895829 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for San Joaquin Elementary | -57 | ||||||||||||
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 | 77217 | 2413 | - | 2436 | = | -23 | * | (85 | / | 572) | = | -3.41783215 | ||
| 4 | 77218 | 2443 | - | 2485 | = | -42 | * | (94 | / | 572) | = | -6.90209789 | ||
| 5 | 77220 | 2462 | - | 2528 | = | -66 | * | (102 | / | 572) | = | -11.76923075 | ||
| 6 | 77222 | 2462 | - | 2552 | = | -90 | * | (103 | / | 572) | = | -16.2062937 | ||
| 7 | 77225 | 2481 | - | 2567 | = | -86 | * | (92 | / | 572) | = | -13.83216776 | ||
| 8 | 77226 | 2488 | - | 2586 | = | -98 | * | (96 | / | 572) | = | -16.44755237 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for San Joaquin Elementary | -69 | ||||||||||||
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 | 77398 | 2402 | - | 2436 | = | -34 | * | (81 | / | 585) | = | -4.70769229 | ||
| 4 | 77399 | 2429 | - | 2485 | = | -56 | * | (98 | / | 585) | = | -9.38119655 | ||
| 5 | 77402 | 2441 | - | 2528 | = | -87 | * | (101 | / | 585) | = | -15.02051276 | ||
| 6 | 77403 | 2487 | - | 2552 | = | -65 | * | (104 | / | 585) | = | -11.55555551 | ||
| 7 | 77406 | 2475 | - | 2567 | = | -92 | * | (105 | / | 585) | = | -16.51282047 | ||
| 8 | 77407 | 2459 | - | 2586 | = | -127 | * | (96 | / | 585) | = | -20.84102563 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for San Joaquin Elementary | -78 | ||||||||||||
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 | 77918 | 2419 | - | 2436 | = | -17 | * | (75 | / | 565) | = | -2.25663715 | ||
| 4 | 77919 | 2429 | - | 2485 | = | -56 | * | (90 | / | 565) | = | -8.92035396 | ||
| 5 | 77920 | 2432 | - | 2528 | = | -96 | * | (97 | / | 565) | = | -16.48141584 | ||
| 6 | 77921 | 2460 | - | 2552 | = | -92 | * | (99 | / | 565) | = | -16.1203539 | ||
| 7 | 77922 | 2507 | - | 2567 | = | -60 | * | (102 | / | 565) | = | -10.83185838 | ||
| 8 | 77923 | 2465 | - | 2586 | = | -121 | * | (102 | / | 565) | = | -21.84424773 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for San Joaquin Elementary | -76 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -64 | -57 | -69 | -78 | -76 | -344.0 | -68.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -44.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -92.8
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 | 79% | 59% | 83% | 76% | 62% |
| 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.
San Joaquin Elementary math proficiency
Zero+ meets standard.
71% less $meal
51% less $meal
67% less $meal
70% less $meal
60% 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.