Gidley Elementary (Data source)
Source data for Gidley 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 | 690884 | 2398 | - | 2436 | = | -38 | * | (36 | / | 414) | = | -3.3043478 | ||
| 4 | 690885 | 2402 | - | 2485 | = | -83 | * | (22 | / | 414) | = | -4.41062797 | ||
| 5 | 690888 | 2487 | - | 2528 | = | -41 | * | (30 | / | 414) | = | -2.97101449 | ||
| 6 | 690889 | 2510 | - | 2552 | = | -42 | * | (30 | / | 414) | = | -3.04347826 | ||
| 7 | 690892 | 2505 | - | 2567 | = | -62 | * | (142 | / | 414) | = | -21.26570048 | ||
| 8 | 690893 | 2523 | - | 2586 | = | -63 | * | (154 | / | 414) | = | -23.43478259 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Gidley Elementary | -58 | ||||||||||||
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 | 21843 | 2403 | - | 2436 | = | -33 | * | (16 | / | 394) | = | -1.34010152 | ||
| 4 | 21844 | 2458 | - | 2485 | = | -27 | * | (34 | / | 394) | = | -2.32994923 | ||
| 5 | 21846 | 2415 | - | 2528 | = | -113 | * | (24 | / | 394) | = | -6.88324867 | ||
| 6 | 21849 | 2512 | - | 2552 | = | -40 | * | (31 | / | 394) | = | -3.14720812 | ||
| 7 | 21851 | 2511 | - | 2567 | = | -56 | * | (148 | / | 394) | = | -21.03553295 | ||
| 8 | 21852 | 2522 | - | 2586 | = | -64 | * | (141 | / | 394) | = | -22.90355328 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Gidley Elementary | -58 | ||||||||||||
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 | 22259 | 2391 | - | 2436 | = | -45 | * | (25 | / | 391) | = | -2.87723781 | ||
| 4 | 22261 | 2473 | - | 2485 | = | -12 | * | (14 | / | 391) | = | -0.42966751 | ||
| 5 | 22264 | 2481 | - | 2528 | = | -47 | * | (35 | / | 391) | = | -4.2071611 | ||
| 6 | 22266 | 2480 | - | 2552 | = | -72 | * | (29 | / | 391) | = | -5.34015338 | ||
| 7 | 22268 | 2503 | - | 2567 | = | -64 | * | (147 | / | 391) | = | -24.06138106 | ||
| 8 | 22270 | 2531 | - | 2586 | = | -55 | * | (141 | / | 391) | = | -19.83375955 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Gidley Elementary | -57 | ||||||||||||
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 | 22247 | 2437 | - | 2436 | = | 1 | * | (17 | / | 385) | = | 0.04415584 | ||
| 4 | 22249 | 2445 | - | 2485 | = | -40 | * | (27 | / | 385) | = | -2.8051948 | ||
| 5 | 22251 | 2510 | - | 2528 | = | -18 | * | (16 | / | 385) | = | -0.74805194 | ||
| 6 | 22253 | 2580 | - | 2552 | = | 28 | * | (33 | / | 385) | = | 2.39999998 | ||
| 7 | 22255 | 2511 | - | 2567 | = | -56 | * | (150 | / | 385) | = | -21.81818178 | ||
| 8 | 22257 | 2533 | - | 2586 | = | -53 | * | (142 | / | 385) | = | -19.5480519 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Gidley Elementary | -42 | ||||||||||||
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 | 22427 | 2420 | - | 2436 | = | -16 | * | (24 | / | 376) | = | -1.02127659 | ||
| 4 | 22428 | 2502 | - | 2485 | = | 17 | * | (16 | / | 376) | = | 0.72340425 | ||
| 5 | 22429 | 2462 | - | 2528 | = | -66 | * | (26 | / | 376) | = | -4.56382978 | ||
| 6 | 22430 | 2596 | - | 2552 | = | 44 | * | (19 | / | 376) | = | 2.22340422 | ||
| 7 | 22431 | 2570 | - | 2567 | = | 3 | * | (142 | / | 376) | = | 1.13297872 | ||
| 8 | 22432 | 2562 | - | 2586 | = | -24 | * | (149 | / | 376) | = | -9.51063828 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Gidley Elementary | -11 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -58 | -58 | -57 | -42 | -11 | -226.0 | -45.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 14.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -105.2
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 | 91% | 92% | 91% | 90% | 89% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
El Monte City school district | County of Los Angeles
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.
Gidley Elementary math proficiency
Zero+ meets standard.
80% less $meal
82% less $meal
83% less $meal
86% less $meal
80% 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.