Black Rock Alternative/Continuation (Data source)
Source data for Black Rock Alternative/Continuation
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 |
||
11 | 1998093 | 2482 | - | 2628 | = | -146 | * | (55 | / | 55) | = | -146.0 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Black Rock Alternative/Continuation | -146 |
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 |
||
11 | 61444 | 2454 | - | 2628 | = | -174 | * | (53 | / | 53) | = | -174.0 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Black Rock Alternative/Continuation | -174 |
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 |
||
11 | 63208 | 2436 | - | 2628 | = | -192 | * | (48 | / | 48) | = | -192.0 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Black Rock Alternative/Continuation | -192 |
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 |
||
11 | 63306 | 2438 | - | 2628 | = | -190 | * | (38 | / | 38) | = | -190.0 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Black Rock Alternative/Continuation | -190 |
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 |
||
11 | 63571 | 2429 | - | 2628 | = | -199 | * | (53 | / | 53) | = | -199.0 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Black Rock Alternative/Continuation | -199 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
-146 | -174 | -192 | -190 | -199 | -901.0 | -180.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -117.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -243.2
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 | 82% | 77% | 75% | 84% | 80% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Morongo Unified 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.
Black Rock Alternative/Continuation math proficiency
Zero+ meets standard.

74% less $meal

72% less $meal

70% less $meal

82% less $meal

77% 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.
Continuation High Schools schools in Morongo Unified (1)
Black Rock Alternative/Continuation |