Montclair High (Data source)
Source data for Montclair High
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 | 1953383 | 2545 | - | 2628 | = | -83 | * | (675 | / | 675) | = | -83.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Montclair High | -83 | ||||||||||||
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 | 60168 | 2568 | - | 2628 | = | -60 | * | (613 | / | 613) | = | -60.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Montclair High | -60 | ||||||||||||
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 | 61913 | 2580 | - | 2628 | = | -48 | * | (666 | / | 666) | = | -48.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Montclair High | -48 | ||||||||||||
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 | 62002 | 2572 | - | 2628 | = | -56 | * | (681 | / | 681) | = | -56.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Montclair High | -56 | ||||||||||||
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 | 62263 | 2574 | - | 2628 | = | -54 | * | (644 | / | 644) | = | -54.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Montclair High | -54 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -83 | -60 | -48 | -56 | -54 | -301.0 | -60.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -21.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -99.2
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 | 74% | 88% | 85% | 87% | 87% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Chaffey Joint Union High school district | County of San Bernardino
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.
Montclair High math proficiency
Zero+ meets standard.
65% less $meal
72% less $meal
68% less $meal
74% less $meal
73% 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.
High Schools (Public) schools in Chaffey Joint Union High (8)
| Alta Loma High | Chaffey High | Colony High |
| Etiwanda High | Los Osos High | Montclair High |
| Ontario High | Rancho Cucamonga High |