Hidden Valley Elementary (Data source)
Source data for Hidden Valley 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 | 209229 | 2445 | - | 2436 | = | 9 | * | (129 | / | 361) | = | 3.21606648 | ||
| 4 | 209232 | 2451 | - | 2485 | = | -34 | * | (132 | / | 361) | = | -12.43213295 | ||
| 5 | 209233 | 2523 | - | 2528 | = | -5 | * | (100 | / | 361) | = | -1.38504155 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Hidden Valley Elementary | -11 | ||||||||||||
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 | 6205 | 2463 | - | 2436 | = | 27 | * | (123 | / | 378) | = | 8.78571428 | ||
| 4 | 6208 | 2482 | - | 2485 | = | -3 | * | (126 | / | 378) | = | -1.0 | ||
| 5 | 6210 | 2496 | - | 2528 | = | -32 | * | (129 | / | 378) | = | -10.92063491 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Hidden Valley Elementary | -3 | ||||||||||||
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 | 6381 | 2454 | - | 2436 | = | 18 | * | (121 | / | 375) | = | 5.80799999 | ||
| 4 | 6384 | 2481 | - | 2485 | = | -4 | * | (124 | / | 375) | = | -1.32266666 | ||
| 5 | 6385 | 2498 | - | 2528 | = | -30 | * | (130 | / | 375) | = | -10.39999998 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Hidden Valley Elementary | -6 | ||||||||||||
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 | 6377 | 2449 | - | 2436 | = | 13 | * | (139 | / | 385) | = | 4.69350649 | ||
| 4 | 6380 | 2489 | - | 2485 | = | 4 | * | (118 | / | 385) | = | 1.22597402 | ||
| 5 | 6381 | 2509 | - | 2528 | = | -19 | * | (128 | / | 385) | = | -6.31688311 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Hidden Valley Elementary | 0 | ||||||||||||
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 | 6437 | 2450 | - | 2436 | = | 14 | * | (128 | / | 378) | = | 4.74074073 | ||
| 4 | 6438 | 2494 | - | 2485 | = | 9 | * | (131 | / | 378) | = | 3.11904761 | ||
| 5 | 6439 | 2506 | - | 2528 | = | -22 | * | (119 | / | 378) | = | -6.92592591 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Hidden Valley Elementary | 1 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -11 | -3 | -6 | 0 | 1 | -19.0 | -3.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 10.25
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -19.75
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 | 32% | 31% | 31% | 35% | 35% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Mt. Diablo Unified school district | County of Contra Costa
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.
Hidden Valley Elementary math proficiency
Zero+ meets standard.
25% less $meal
26% less $meal
25% less $meal
31% 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.