Brentwood Elementary (Data source)
Source data for Brentwood 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 | 2070273 | 2356 | - | 2436 | = | -80 | * | (129 | / | 511) | = | -20.19569464 | ||
| 4 | 2070276 | 2400 | - | 2485 | = | -85 | * | (121 | / | 511) | = | -20.12720151 | ||
| 5 | 2070277 | 2450 | - | 2528 | = | -78 | * | (123 | / | 511) | = | -18.774951 | ||
| 6 | 2070280 | 2453 | - | 2552 | = | -99 | * | (138 | / | 511) | = | -26.73581209 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Brentwood Elementary | -86 | ||||||||||||
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 | 63600 | 2367 | - | 2436 | = | -69 | * | (134 | / | 505) | = | -18.30891085 | ||
| 4 | 63602 | 2393 | - | 2485 | = | -92 | * | (125 | / | 505) | = | -22.77227718 | ||
| 5 | 63605 | 2428 | - | 2528 | = | -100 | * | (126 | / | 505) | = | -24.950495 | ||
| 6 | 63607 | 2436 | - | 2552 | = | -116 | * | (120 | / | 505) | = | -27.56435639 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Brentwood Elementary | -94 | ||||||||||||
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 | 65399 | 2366 | - | 2436 | = | -70 | * | (117 | / | 513) | = | -15.96491225 | ||
| 4 | 65401 | 2383 | - | 2485 | = | -102 | * | (139 | / | 513) | = | -27.63742683 | ||
| 5 | 65403 | 2407 | - | 2528 | = | -121 | * | (125 | / | 513) | = | -29.48343076 | ||
| 6 | 65405 | 2436 | - | 2552 | = | -116 | * | (132 | / | 513) | = | -29.84795316 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Brentwood Elementary | -103 | ||||||||||||
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 | 65482 | 2363 | - | 2436 | = | -73 | * | (137 | / | 527) | = | -18.97722958 | ||
| 4 | 65484 | 2380 | - | 2485 | = | -105 | * | (126 | / | 527) | = | -25.10436432 | ||
| 5 | 65486 | 2411 | - | 2528 | = | -117 | * | (134 | / | 527) | = | -29.74952553 | ||
| 6 | 65488 | 2434 | - | 2552 | = | -118 | * | (130 | / | 527) | = | -29.10815929 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Brentwood Elementary | -103 | ||||||||||||
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 | 65872 | 2367 | - | 2436 | = | -69 | * | (123 | / | 497) | = | -17.07645872 | ||
| 4 | 65873 | 2392 | - | 2485 | = | -93 | * | (123 | / | 497) | = | -23.01609654 | ||
| 5 | 65874 | 2410 | - | 2528 | = | -118 | * | (112 | / | 497) | = | -26.59154922 | ||
| 6 | 65875 | 2424 | - | 2552 | = | -128 | * | (139 | / | 497) | = | -35.7987927 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Brentwood Elementary | -102 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -86 | -94 | -103 | -103 | -102 | -488.0 | -97.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -76.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -118.6
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 | 94% | 94% | 93% | 90% | 89% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Victor Elementary school district County of San Bernardino
THIS chart shows what the school system "wants"
PLUS a "special" or "outside" cause of variation, parent education.
NOT what teachers want.
NOT what principals want.
NOT what parents want.
Brentwood Elementary math proficiency
Zero+ meets standard.
87% less $meal
89% less $meal
87% less $meal
84% less $meal
83% 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.