Hollow Hills Elementary (Data source)
Source data for Hollow Hills 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 | 3137176 | 2469 | - | 2436 | = | 33 | * | (102 | / | 361) | = | 9.32409971 | ||
| 4 | 3137179 | 2507 | - | 2485 | = | 22 | * | (93 | / | 361) | = | 5.66759002 | ||
| 5 | 3137180 | 2512 | - | 2528 | = | -16 | * | (86 | / | 361) | = | -3.81163434 | ||
| 6 | 3137183 | 2579 | - | 2552 | = | 27 | * | (80 | / | 361) | = | 5.9833795 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Hollow Hills Elementary | 17 | ||||||||||||
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 | 96733 | 2472 | - | 2436 | = | 36 | * | (100 | / | 369) | = | 9.75609756 | ||
| 4 | 96734 | 2522 | - | 2485 | = | 37 | * | (100 | / | 369) | = | 10.02710027 | ||
| 5 | 96736 | 2518 | - | 2528 | = | -10 | * | (94 | / | 369) | = | -2.54742547 | ||
| 6 | 96738 | 2553 | - | 2552 | = | 1 | * | (75 | / | 369) | = | 0.20325203 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Hollow Hills Elementary | 17 | ||||||||||||
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 | 99533 | 2469 | - | 2436 | = | 33 | * | (101 | / | 368) | = | 9.05706519 | ||
| 4 | 99535 | 2507 | - | 2485 | = | 22 | * | (97 | / | 368) | = | 5.79891303 | ||
| 5 | 99537 | 2516 | - | 2528 | = | -12 | * | (97 | / | 368) | = | -3.16304347 | ||
| 6 | 99539 | 2551 | - | 2552 | = | -1 | * | (73 | / | 368) | = | -0.19836957 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Hollow Hills Elementary | 11 | ||||||||||||
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 | 99693 | 2462 | - | 2436 | = | 26 | * | (99 | / | 381) | = | 6.75590549 | ||
| 4 | 99694 | 2518 | - | 2485 | = | 33 | * | (100 | / | 381) | = | 8.6614173 | ||
| 5 | 99697 | 2522 | - | 2528 | = | -6 | * | (95 | / | 381) | = | -1.49606299 | ||
| 6 | 99698 | 2574 | - | 2552 | = | 22 | * | (87 | / | 381) | = | 5.02362203 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Hollow Hills Elementary | 19 | ||||||||||||
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 | 100358 | 2463 | - | 2436 | = | 27 | * | (98 | / | 376) | = | 7.03723402 | ||
| 4 | 100359 | 2503 | - | 2485 | = | 18 | * | (98 | / | 376) | = | 4.69148935 | ||
| 5 | 100360 | 2545 | - | 2528 | = | 17 | * | (96 | / | 376) | = | 4.34042552 | ||
| 6 | 100361 | 2564 | - | 2552 | = | 12 | * | (84 | / | 376) | = | 2.68085106 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Hollow Hills Elementary | 19 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| 17 | 17 | 11 | 19 | 19 | 83.0 | 16.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 25.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 7.6
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 | 19% | 19% | 20% | 20% | 18% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Simi Valley Unified school district | County of Ventura
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.
Hollow Hills Elementary math proficiency
Zero+ meets standard.
14% less $meal
12% less $meal
14% less $meal
15% less $meal
13% 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.