Sierra Vista Elementary (Data source)
Source data for Sierra Vista 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 | 1783969 | 2397 | - | 2436 | = | -39 | * | (136 | / | 789) | = | -6.72243343 | ||
| 4 | 1783972 | 2438 | - | 2485 | = | -47 | * | (122 | / | 789) | = | -7.26742708 | ||
| 5 | 1783973 | 2459 | - | 2528 | = | -69 | * | (138 | / | 789) | = | -12.068441 | ||
| 6 | 1783976 | 2498 | - | 2552 | = | -54 | * | (393 | / | 789) | = | -26.89733839 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Sierra Vista Elementary | -53 | ||||||||||||
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 | 55317 | 2394 | - | 2436 | = | -42 | * | (111 | / | 759) | = | -6.14229248 | ||
| 4 | 55319 | 2453 | - | 2485 | = | -32 | * | (130 | / | 759) | = | -5.4808959 | ||
| 5 | 55320 | 2460 | - | 2528 | = | -68 | * | (130 | / | 759) | = | -11.6469038 | ||
| 6 | 55323 | 2505 | - | 2552 | = | -47 | * | (388 | / | 759) | = | -24.02635042 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Sierra Vista Elementary | -47 | ||||||||||||
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 | 56921 | 2400 | - | 2436 | = | -36 | * | (121 | / | 767) | = | -5.67926986 | ||
| 4 | 56923 | 2414 | - | 2485 | = | -71 | * | (118 | / | 767) | = | -10.92307686 | ||
| 5 | 56925 | 2458 | - | 2528 | = | -70 | * | (153 | / | 767) | = | -13.96349409 | ||
| 6 | 56928 | 2511 | - | 2552 | = | -41 | * | (375 | / | 767) | = | -20.0456323 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Sierra Vista Elementary | -51 | ||||||||||||
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 | 57028 | 2410 | - | 2436 | = | -26 | * | (122 | / | 734) | = | -4.32152588 | ||
| 4 | 57030 | 2446 | - | 2485 | = | -39 | * | (124 | / | 734) | = | -6.58855583 | ||
| 5 | 57032 | 2467 | - | 2528 | = | -61 | * | (116 | / | 734) | = | -9.64032697 | ||
| 6 | 57034 | 2509 | - | 2552 | = | -43 | * | (372 | / | 734) | = | -21.79291553 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Sierra Vista 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 | 57282 | 2403 | - | 2436 | = | -33 | * | (107 | / | 742) | = | -4.75876008 | ||
| 4 | 57283 | 2435 | - | 2485 | = | -50 | * | (133 | / | 742) | = | -8.96226415 | ||
| 5 | 57284 | 2448 | - | 2528 | = | -80 | * | (117 | / | 742) | = | -12.6145552 | ||
| 6 | 57285 | 2500 | - | 2552 | = | -52 | * | (385 | / | 742) | = | -26.98113205 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Sierra Vista Elementary | -53 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -53 | -47 | -51 | -42 | -53 | -246.0 | -49.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -37.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -61.2
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 | 80% | 82% | 83% | 83% | 82% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Val Verde 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.
Sierra Vista Elementary math proficiency
Zero+ meets standard.
61% less $meal
63% less $meal
62% less $meal
69% less $meal
66% 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.