Jefferson Elementary (Data source)
Source data for Jefferson 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 | 1661910 | 2401 | - | 2436 | = | -35 | * | (96 | / | 458) | = | -7.33624451 | ||
| 4 | 1661913 | 2436 | - | 2485 | = | -49 | * | (133 | / | 458) | = | -14.22925764 | ||
| 5 | 1661914 | 2441 | - | 2528 | = | -87 | * | (123 | / | 458) | = | -23.36462874 | ||
| 6 | 1661917 | 2456 | - | 2552 | = | -96 | * | (106 | / | 458) | = | -22.21834061 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Jefferson Elementary | -67 | ||||||||||||
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 | 51879 | 2415 | - | 2436 | = | -21 | * | (110 | / | 438) | = | -5.27397259 | ||
| 4 | 51881 | 2450 | - | 2485 | = | -35 | * | (88 | / | 438) | = | -7.03196347 | ||
| 5 | 51883 | 2451 | - | 2528 | = | -77 | * | (128 | / | 438) | = | -22.50228303 | ||
| 6 | 51884 | 2476 | - | 2552 | = | -76 | * | (112 | / | 438) | = | -19.43378991 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Jefferson Elementary | -54 | ||||||||||||
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 | 53402 | 2425 | - | 2436 | = | -11 | * | (106 | / | 422) | = | -2.76303317 | ||
| 4 | 53404 | 2463 | - | 2485 | = | -22 | * | (112 | / | 422) | = | -5.83886255 | ||
| 5 | 53406 | 2461 | - | 2528 | = | -67 | * | (86 | / | 422) | = | -13.65402842 | ||
| 6 | 53408 | 2477 | - | 2552 | = | -75 | * | (118 | / | 422) | = | -20.97156398 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Jefferson Elementary | -43 | ||||||||||||
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 | 53491 | 2402 | - | 2436 | = | -34 | * | (103 | / | 405) | = | -8.64691356 | ||
| 4 | 53492 | 2453 | - | 2485 | = | -32 | * | (113 | / | 405) | = | -8.92839504 | ||
| 5 | 53494 | 2472 | - | 2528 | = | -56 | * | (107 | / | 405) | = | -14.79506168 | ||
| 6 | 53497 | 2463 | - | 2552 | = | -89 | * | (82 | / | 405) | = | -18.01975302 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Jefferson Elementary | -50 | ||||||||||||
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 | 53726 | 2420 | - | 2436 | = | -16 | * | (89 | / | 401) | = | -3.55112219 | ||
| 4 | 53727 | 2439 | - | 2485 | = | -46 | * | (104 | / | 401) | = | -11.93017452 | ||
| 5 | 53728 | 2461 | - | 2528 | = | -67 | * | (109 | / | 401) | = | -18.21197002 | ||
| 6 | 53729 | 2479 | - | 2552 | = | -73 | * | (99 | / | 401) | = | -18.02244389 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Jefferson Elementary | -52 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -67 | -54 | -43 | -50 | -52 | -266.0 | -53.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -29.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -77.2
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 | 93% | 92% | 93% | 90% | 89% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Corona-Norco Unified school district | County of Riverside
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.
Jefferson Elementary math proficiency
Zero+ meets standard.
82% less $meal
81% less $meal
81% less $meal
79% 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.