Castaic Middle (Data source)
Source data for Castaic Middle
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 |
||
6 | 654403 | 2531 | - | 2552 | = | -21 | * | (305 | / | 922) | = | -6.94685466 | ||
7 | 654404 | 2538 | - | 2567 | = | -29 | * | (294 | / | 922) | = | -9.24728849 | ||
8 | 654407 | 2534 | - | 2586 | = | -52 | * | (323 | / | 922) | = | -18.21691971 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Castaic Middle | -34 |
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 |
||
7 | 20796 | 2550 | - | 2567 | = | -17 | * | (289 | / | 579) | = | -8.48531951 | ||
8 | 20798 | 2548 | - | 2586 | = | -38 | * | (290 | / | 579) | = | -19.03281517 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Castaic Middle | -28 |
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 |
||
7 | 21157 | 2535 | - | 2567 | = | -32 | * | (289 | / | 574) | = | -16.11149824 | ||
8 | 21159 | 2564 | - | 2586 | = | -22 | * | (285 | / | 574) | = | -10.92334494 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Castaic Middle | -27 |
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 |
||
7 | 21139 | 2523 | - | 2567 | = | -44 | * | (248 | / | 527) | = | -20.70588234 | ||
8 | 21141 | 2552 | - | 2586 | = | -34 | * | (279 | / | 527) | = | -17.99999998 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Castaic Middle | -39 |
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 |
||
7 | 21309 | 2545 | - | 2567 | = | -22 | * | (284 | / | 522) | = | -11.96934864 | ||
8 | 21310 | 2536 | - | 2586 | = | -50 | * | (238 | / | 522) | = | -22.79693485 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Castaic Middle | -35 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-34 | -28 | -27 | -39 | -35 | -163.0 | -32.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -17.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -47.6
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 | 28% | 27% | 27% | 29% | 28% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Castaic Union school district County of Los Angeles
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.
Castaic Middle math proficiency
Zero+ meets standard.
22% less $meal
21% less $meal
20% less $meal
26% less $meal
25% 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.
Intermediate/Middle Schools (Public) schools in Castaic Union (1)
Castaic Middle |