Jeffrey Trail Middle (Data source)
Source data for Jeffrey Trail 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 |
||
| 7 | 1573975 | 2647 | - | 2567 | = | 80 | * | (444 | / | 974) | = | 36.46817248 | ||
| 8 | 1573976 | 2673 | - | 2586 | = | 87 | * | (530 | / | 974) | = | 47.34086234 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Jeffrey Trail Middle | 84 | ||||||||||||
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 | 49248 | 2653 | - | 2567 | = | 86 | * | (512 | / | 1003) | = | 43.90029908 | ||
| 8 | 49251 | 2684 | - | 2586 | = | 98 | * | (491 | / | 1003) | = | 47.97407769 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Jeffrey Trail Middle | 92 | ||||||||||||
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 | 50588 | 2653 | - | 2567 | = | 86 | * | (539 | / | 1073) | = | 43.20037278 | ||
| 8 | 50590 | 2687 | - | 2586 | = | 101 | * | (534 | / | 1073) | = | 50.26467838 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Jeffrey Trail Middle | 93 | ||||||||||||
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 | 50610 | 2640 | - | 2567 | = | 73 | * | (537 | / | 1124) | = | 34.87633451 | ||
| 8 | 50612 | 2681 | - | 2586 | = | 95 | * | (587 | / | 1124) | = | 49.61298924 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Jeffrey Trail Middle | 84 | ||||||||||||
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 | 50810 | 2655 | - | 2567 | = | 88 | * | (618 | / | 1168) | = | 46.56164383 | ||
| 8 | 50811 | 2679 | - | 2586 | = | 93 | * | (550 | / | 1168) | = | 43.79280813 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Jeffrey Trail Middle | 90 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| 84 | 92 | 93 | 84 | 90 | 443.0 | 88.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 100.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 76.6
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 | 13% | 14% | 12% | 17% | 16% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Irvine Unified school district | County of Orange
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.
Jeffrey Trail Middle math proficiency
Zero+ meets standard.
9% less $meal
10% less $meal
9% less $meal
15% less $meal
13% 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 Irvine Unified (6)
| Jeffrey Trail Middle | Lakeside Middle | Rancho San Joaquin Middle |
| Sierra Vista Middle | South Lake Middle | Venado Middle |